iCam  
Full HD Camera  
Operation Manual  
VER 2.1.18-B2143  
2015/08/14  
Operation manual  
BlueEyes iCam Full HD Camera  
Thank you for using the product of BlueEyes Technology.  
The manual will introduce the product of BlueEyes Technology. Please read the manual  
before you start using the product.  
Though the information in the manual has been verified before publish, the actual  
specification should be based on the actual shipment. BlueEyes Technology doesn’t  
have to guarantee, proclaim or declare for the content, along with other purpose. In  
addition, the product specification and information that mentioned in the manual is for  
reference only. The content might be update at any time without notice. If there is any  
mistake of the information, including software, firmware, and hardware that mentioned  
in the manual BlueEyes Technology has no responsibility for the mistake.  
Please reach BlueEyes website to get the upgrade of the product specification, our  
company will not notice you. If you want to get the latest product information, operation  
manual, firmware, or you have any question to the products of BlueEyes Technology,  
please contact your local agent or go to the official website of BlueEyes Technology for  
further information.  
It is not allowed to copy/ use the content or to change the information and publishing of  
the manual without BlueEyes Technology’s written consent.  
Copyright 2015 BlueEyes Technology Inc. All Rights Reserved.  
BlueEyes Technology Corp.  
Add: 7F-3, No.200, Sec. 4, Wenxin Rd., North District,  
Taichung City 40462, Taiwan  
TEL: +886 4 2297 0977 / +886 982 842 977  
Website: www.BlueEyes.com.tw  
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1
. Outline  
1
.1 Instruction  
Most of the recording systems use traditional security camera, so the quality was very bad.  
The students have to look closely to see the words on the blackboard. This kind of camera is  
not suitable for education institute environment.  
BlueEyes Technology develops the Full HD Camera especially for the education institute  
environment, and registrated the trademark as iCam®. Now we have the third generation  
iCam. It not only reserves the high quality of shooting, but also upgrades the sound receiver. In  
order to enhance the characters on the whiteboards, digital boards, and projectors, iCam can  
detect the external environment automatically and make the characters clearer. Watching the  
iCam videos is like watching Blu-ray movies in the movie theaters.  
1
.2 Features  
The only camera designed for educational facilities full HD camera for lecture  
recording  
Full HD 1080P. The quality is 24 times better than the traditional camera  
Designed for whiteboards, digital boards, projectors, and touch-panel TV,  
enhance sharpness of images.  
Recording indicator makes teachers easy to see if the recording is on.  
Full-time audio and video synchronization  
TAMRON mega-pixel compatible varifocal lenses  
SONY Exmor Back-illuminated sensor  
Texas Instruments DaVinci video processor (DSP)  
LED indicator  
Built-in microphone  
Built-in privacy masking feature  
Embedded watermark/ QR Code copyright protection  
Made in Taiwan  
Industrial grade. It can be operated for 24 hours without overheating.  
Note: iCam is not normal network camera. It is Full HD camera designed for education institutes.  
More information and features, please check official website of BlueEyes Technology:  
http://www.blueeyes.com.tw/iLearning_iCam.php  
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1
.3 Composition  
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2
. Safety and precautions  
Please do not leave or install the device in damp, direct sunlight, hot or confined  
spaces.  
Do not put anything that would fall into the machine on top of the machine.  
Do not place the machine on an unstable place. It may fall down, resulting in an  
injury.  
Please use this machine in a place with good ventilation. Do not block the heat  
dissipation vents. Poor heat dissipation can lead to a rise internal temperatures  
and cause malfunctions  
Use dry rag to clean the machine. Do not use solvent.  
We will not be liable for any damage caused by the use of third party power  
supplies in this machine  
Never plug the machine into a power socket that is shared with other equipment  
(
extension load/cord, 2- or 3-way adapter, etc.). This may result in fire or  
electrical shock or fire.  
Please do not disassemble, re-design or maintain the device by yourself.  
The processors and accessories all pass the safety test of CE and FCC.  
Please plug the cables of iCam when thundering to avoid lightning strikes. Lightning  
strike is natural disaster so it is not in our warranty.  
http://www.BlueEyes.com.tw/warranty.php  
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3
. Device Description  
3
.1 Back Panel  
-
- Back penal --  
Back panel descriptions:  
DC12V  
LAN  
DC12V power input.  
Attach the provided RJ-45 cable and the port is auto-sensing and supports negotiations  
at 10/100 speeds.  
VIDEO  
Connect to video equipment, such as a monitor or projector.  
Connect to an audio input source.  
LINE IN  
Do not test or connect the interface not commonly used. It may cause instability of  
the system.  
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3
.2 Fixed iCam camera  
Fixed iCam camera diagram:  
3
.3 Scanning iCam camera  
Scanning iCam camera diagram:  
The small monitor can suck on the direction controller. If you worry that it is not  
steady enough, you can stick directly on the monitor.  
There are two control buttons on the direction controller of the scanning iCam  
camera, and the left and right controller is for SES. If you worry that the students  
might drop it on the floor, you can stick it in the table with double-sided tape or  
silicone as some of the education institutes do.  
Use flexible wire for network cable, video cable and audio cable to avoid fixed screw  
loosening or interfaces dropping after long use.  
Put termination plug at the end of the left and right turn.  
After installing, you must rotate to the end and see the image simultaneously to  
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make sure the cables would not be pulled or the fixed screw of the camera would  
not loosen when rotating.  
Use [single tone]for audio cable  
3
.4 LED Indicator (Separately Sold)  
LED indicator on iCam shines when recording, or iFollow technology appointed.  
LED should go with SES lecture recording system. If you use SES Lite, the LED  
indicator would not work.  
Appearance Picture  
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Diagram  
Wiring Diagram  
LED indicator has two cables: G and OUT. Plug the two cables in the corresponding point on  
the back panel.  
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Plug the cable of LED indicator, press the tenon until inserting.  
3
.5 Live Video  
Follow these steps to see the live video:  
1
2
. Open Microsoft Internet Explorer(IE) browser  
. Type the following URL into the address bar of your web browser on your admin computer  
http://ip_address/ (default IP address is set in the range of 192.168.1.171-176)  
. Enter account and password  
3
4
. Click LiveView to watch the video.  
The operator username is sesuser. As a default, check the factory configured list.  
You can edit account name or password in setting. We recommend using Microsoft  
Internet Explorer version 10 or higher web browser.  
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4
. Location of camera  
4
.1 Location of camera  
The height of center blackboard is the best location.  
Higher than the students.  
Lower than the upper side of the blackboard  
Better install on the wall at the back of the classroom.  
Viewport of the location of camera  
If you didn’t install the camera at the location aimed the center of the blackboard, the  
blackboard would show as a trapezoid  
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Elevation of the location of camera  
If you install the camera too high, the blackboard would show as a trapezoid, the bottom is  
shorter than the upper side.  
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5
. Adjusting lenses  
5
.1 Lens of iCam  
Please loosen the nuts on the lens before adjusting the lens. But please do not remove it or it  
may get lost.  
The adjust order is  
A. Focus distance (W←→T)  
B. Focus (∞←→N)  
C. IRIS (O←→C).  
5
.2 IRIS (O←→C)  
O = Open, C = Close  
IRIS controls the light amount, so the light has big influence to the shooting effect.  
The more the light come in, the better the shooting is.  
We advise you to turn the IRIS to maximum to get enough light.  
If you use digital board or projector, you can adjust the IRIS to maximum then close  
down gradually.  
The light should be the same as class time.  
Fasten the nut after adjusting.  
When adjusting the camera lens, try to arrange during the class because the light  
(
fluorescent light or sunshine) would influence the shooting.  
If the education institute records class in the evening, it is better for you to adjust  
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lens in the evening.  
Steady light is very important for shooting.  
5
.3 Advices for classroom lighting improvement  
Use antidazzle lamp  
Add antidazzle division  
Use thick curtain to block sunlight. Turn on the light even it is daytime.  
5.4 Zoom (W←→T)  
 W = Wide(wide angle/close)  
T = Tele(distance angle/far)  
The tips for adjusting is to make the left and right sides of the shooting scene justify  
both sides of the board, but when using scanner module, make the up and down  
sides of the shooting scene justify up and down sides of the board.  
Fasten the nut after adjusting.  
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5
.5 Focus (∞←→N)  
=infinite, N=near-end  
The focus lock nut is close to the body, loosen it before adjusting.  
If you use digital board or projector, turn it on to adjust focus.  
The tips for adjusting is to write【正】in the center and four sides of the board.  
Adjust the focus to see the words clearly.  
Fasten the nut after adjusting.  
6
. Cleaning and Maintaining the Lens  
The lens is imported from Japan, it is very expensive.  
Do not touch the lens during construction.  
We would cover a dust cover on the lens, and please do not remove it until adjusting.  
If you find the lens have dust or fingerprint  
Please blow the dust away with [lens blower] first  
Then wipe the lens clockwise from center to the outer with [lens pen]  
Do not blow with mouth or wipe with tissue.  
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Do not remove the lens. This may make the lens stained with dust and fingerprint.  
━╳━╳━╳━╳━╳━╳━╳━╳━╳━╳━╳━╳━╳━╳━╳━╳━╳━╳━╳━╳━╳━╳━╳━╳━╳━╳━╳  
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7
. Setting  
7
.1 Video Setting  
1
. You can change all video streaming related elements in Video Setting page, this  
page is separated into two parts as shown below. The upper half is streaming setting  
and bottom half is camera additional information. All function is explained as below:  
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Key Functions:  
Camera  
Default is iCam.  
(
iCam)  
Specifies the name of the IP Camera.  
Default is Dual.  
Stream Type  
Specifies the dual streaming method used. Options include: Single and Dual.  
Default is Dual H.264.  
Codec  
Choose the video format fromH.264+JPG 」、 MPEG+JPEG 」、 Dual H.  
264 」、 Dual MPEG4 」, H264+MPEG4」  
Default is H264:1080,H264:VGA.  
This option allows the user to choose the video resolution of the camera:  
H264:720H264:QVGA 、「 H264:720,H264:CIF 」、 H264:720,H264:VGA」、  
Resolution  
H264:D1,H264:QVGA 、「 H264:1080,H264:QVGA 」、 H264:1080,H264:CIF」、  
H264:1080,H264:VGA」。  
Image frames  
Bit Rate  
Default is 26 fps.  
Click on the drop-down list to choose the frame rates of 1~30fps in all resolution.  
Default is 4000 kbps  
Type the required bit-rate for both MPEG4 Setting and H.264 Setting. Bit-rate values  
ranges between 64 and 10000 from stream1 and 64 to 8000 for stream2/stream3.  
Default is CBR.  
Rate Control  
Select the required option  
OFF: This will switched off the rate control and will encode the frame in constant QP  
mode for all MBs (Macro-Blocks).  
MPEG4 will be coded with QP = 4 H264 will be coded with QP = 28  
VBR : Variable Bit rate.  
CBR : Constant Bit rate. This will have frame skips to maintain bit rate with specified  
VBV buffer.  
Notice !! For Recording: CBR, For Live Video : VBR!!  
Default is 6000 Kbps.  
Max Bit Rate  
GOP  
Type the max bit-rate of the stream.  
Default is 30.  
Set the GOP value.  
Overlay Setting  
Watermark  
Select Enable Date and Time check box to activate the function.  
Default is OFF.  
Select the required option: Top-Left, Top-Right, Bottom-Left Bottom-Right  
Default is OFF.  
Mirror  
Select the required option: HORZONTALVERTICAL and BOTH.  
Default is NTSC.  
Local Display Video  
Select one of the following options of the display device: NTSCandPAL.  
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iCam is set already. Do not edit the default unless you are trained and understand  
the way and the meanings of editing.  
We recommend using Microsoft Internet Explorer version 10 or higher web browser.  
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7
.2 Camera Setting  
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Key Functions:  
Default is iCam  
Camera  
Enter the name of IP Camera.  
Default is 128.  
Brightness  
Contrast  
Select the required brightness level that ranges from 1 to 255. . A  
brighter scene appears, if you choose higher level of brightness.  
Default is 128.  
Select the required range. The range available is between 1 to 255.  
Default is 128.  
Saturation  
Select the required saturation level that ranges from 1 to 255. A vivid  
scene appears, if you choose a higher level of saturation.  
Default is 128.  
Sharpness  
Select the required range of sharpness. The range available is  
between 1 to 255.  
Default is OFF.  
Back Light Compensation  
Back Light  
Select one of the following options to turn on/off the backlight  
function:  
Default is Mid.  
Select the required range. The range are set to Min, Mid and Max  
values based on user selection.  
Default is OFF.  
Enable WDR  
WDR Level  
The Wide Dynamic Range (WDR) function  
Default is 5.  
Select your options of the level between 1 and 10  
Default is 60Hz.  
Select one of the following options of the Flicker device  
NTSC/60Hz : This will compensate for 60Hz flicker and will put the  
display if selected to NTSC mode  
Flicker Control  
PAL/50Hz : This will compensate for 50Hz flicker and will put the  
display if selected to PAL mode  
Default is Auto.  
White balance  
Select your option from AutoAuto Normalsunnyshadow、  
IndoorLamp。  
Default is Day.  
Color Mode  
Select your option from Auto, Day, and Night.  
Default is OFF.  
Video Stabilization  
Select one of the following options: ON/OFF  
Default is OFF.  
If you replace the lens, the image has found distortion, uneven and  
so on, you can modify the Select The Distortion Correction Parameter  
to calibration images.  
Lens Distortion Correction  
Image Sensor Mode  
Default is BINNING.  
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Select the required option.  
BINNINGThis enables enhance low-light performance  
SKIPPINGThis helps in increasing capture rate.  
WINDOWThis is enabled to keep constant FOV for all  
modes/resolutions.  
Auto IRIS  
A Mode  
Default is OFF  
Default is Auto exposure + Auto white balance」  
2
Select the required option. The options available are: OFFAuto  
exposureAuto white balance。  
Default is OFF  
Dynamic  
Select the required option. The options available are: Min. shutter,  
Max. Shutter, Max. Gain.  
Default is OFF  
Quality Priority Mode  
Static  
The options available is Max.Gain。  
Default are On, Shutter 1/60 sec, Gain 6db  
if image is too dark try increasing gain value!!  
Spatial Filter  
Default is OFF  
Default is OFF  
Temporal Filter  
Default is OFF  
Protocol  
Select your option from OFFPelcoPPelcoD.  
Default is 1  
Device ID  
Baud Rate  
Speed  
Select your options between 0 and 1.  
Default is 9600  
Select your option from 120024004800960019200.  
Default is 16  
Select your options between 0 and 23.  
Default is 0  
Min Move Time  
Select your options between 0 and 1.  
Light Sensor Detect  
Schedule Mode  
Default is On  
Default is OFF  
Default is OFF  
Privacy  
Blocking a specific area on the monitor for the protection of individual  
privacy.  
We recommend using Microsoft Internet Explorer version 10 or higher web browser.  
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7
.3 Privacy Mask Setting  
In order to protect the privacy of the students in the front rolls who shown in the video,  
we develop the Privacy Mask Setting.” You can choose an area where students’ faces  
appear, then the area you choose would not appear on the video. The steps of setting  
are as below:  
1
. Login camera IP, and enter camera account and password  
2
. Click Camera in the Setting column  
3
4
. Select the checkbox to enable Privacy Mask  
. Place the rectangle over the area to cancel. You can set privacy masks only for one area  
while checking the image on the camera and privacy area is displayed in red color. If you want  
to cancel the area, you can click on the red area.  
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5
. You can watch the Live view to check the range of the privacy mask.  
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We recommend using Microsoft Internet Explorer version 10 or higher web browser,  
and do not join the "Compatibility View Settings"  
7
.4 Audio Setting  
1
. Enter “Audio” setting to adjust audio input and output. Click “Accept” to save the  
setting.  
Key Functions:  
Default is ON.  
Enable Audio  
This will switch ON/OFF the audio in camera.  
Default is Both Mic & Speaker.  
You can change the audio mode in the Network camera in one of the  
following ways:  
Audio Mode  
Only Mic: Enables only audio capture in camera.  
Only Speaker: Enables only audio playback in camera.  
Both Mic & Speaker: Enables both audio playback & capture in  
camera.  
Default is Line in.  
Audio Source  
Input Gain  
Then select MIC in or Line In.  
Default is 0  
Sets the input capture gain, values set from 1-100  
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We recommend using Microsoft Internet Explorer version 10 or higher  
web browser.  
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.5 Network Setting  
Follow the steps to adjust network setting and IP address. Click “Accept” to save the setting.  
Key Functions:  
If you have a DHCP server running on your network and would  
DHCP  
like a dynamic IP address to be updated to your camera  
automatically.  
Specifies the IP address of the camera. Options include: IP  
address, Subnet mask, Gateway and MTU.  
Static IP  
DNS Assignment  
Primary DNS Server  
Secondary DNS Server  
MAC  
Specifies the DNS server for your network.  
Network of preferred and alternate DNS server address.  
Network of preferred and alternate DNS server address.  
Camera MAC address  
Detected MAC  
Current MAC  
Detected MAC address  
Current MAC address  
We recommend using Microsoft Internet Explorer version 10 or higher web browser.  
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7
.6 Solving Color Cast when rotating  
When iCam is set on the scanner module, it would rotate to follow the teacher. This kind of  
shooting may cause color cast. This is because the changes of light would make the White  
Balance over adjusted.  
To solve this problem, please turn the AWB off.  
Reference set point  
High contrast can make students easier to recognize  
handwriting of different colors.  
Contrast: 220  
When set as “Lamp”, it would have blue color cast and it  
may be slightly different what you see from naked eyes.  
Blue color cast improves the readability of the writing  
White balance: Lamp  
board.  
The default is Auto exposure+ AWB. Choose only Auto  
exposure is to turn the AWB off.  
2
A Mode: Auto exposure  
The electronic shutter is fixed on 1/60, close to common  
shooting. Shorten the time of shooting, like 1/120, to  
Electronic Shutter: Static, Gain prevent after images. But you should have more light  
0
dB  
amount or it would have noise. Shutter time raise to 1/30  
so the quality would be better. But it may have smear  
when moving.  
When you change [Contrast], please uncheck [Enable WDR].  
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8
. Watermark  
8
.1 Trademark of education institute  
Many education institutes want to mark their name on the videos. You can upload the  
trademark and name on iCam.  
8
.2 Making Trademark Picture  
Click  
below to open Paint.  
systemroot%\system32\mspaint.exe  
+R or [Start]  [implement] to open the implement window. Enter the instruction  
%
Make a trademark in Paint  
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Save asBMP pictureFile type24 bitmap】!Important!  
8
.3 Upload Watermark  
Use IE browser to connect to iCam1080 network management. Click [Watermark] in  
Maintenance]. Here are the steps:  
[
Step 1:  
ClickChoose file to choose your watermark picture.  
Then click [Open]  
Step 2:  
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Click Upload to upload the picture.  
Step 3:  
It would show like this if it uploads successfully. You can see the watermark on the live video.  
Step 4:  
You can choose which corner you want to put the watermark. Please choose the position of  
the watermark in WatermarkPosition.  
You should check enable the watermark so the watermark would show  
on the monitor.  
We recommend using Microsoft Internet Explorer version 10 or higher  
web browser.  
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8
.4 Notices  
File name is BMP file  
24 bitmap  
Length and width can be individually divisible by 4 (Pixels)  
Leave the white blank to avoid color confusion  
The minimum length and width is 100px  
Place it on bottom-left  
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9
. QR code  
9
.1 About QR code  
QR code is the most common encoding. Some education institutes would make the official  
websites or video copyright website into QR code. Then print the QR code on the video.  
9
.2 Make QR code  
Please download the QRcode Tool through the website below.  
http://www.blueeyes.com.tw/download/QRCode.zip  
A
B
D
C
E
A
B
C
D
Please choose Unicode(UTF-8) to type in words.  
Please type in the website or words you want to show after scanning QRcode.  
Every time you enter words or websites, you have to click it again.  
You can check with your cellphone to see if the QRcode is correct.  
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E
Save the file as BMP File(*.bmp)  
Or there are many websites to make free QRcode:  
http://goqr.me/  
A
B
C
D
A
B
C
D
Select the URL page  
Enter the website you want for QRcode.  
Select not stored】  
Click Download to download QRcode  
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E
F
G
E
F
The white boarder of the QRcode is better to be 5px. It may be difficult to scan if the  
boarder is too thin or too thick.  
The length and width of the QRcode should be divided by 4 or it would be out of  
shape. Choose 200px is better.  
G
Download as PNG, but it has to be BMP file when uploading.  
Click  
+R or [Start]  [implement] to open the implement window. Enter the instruction  
below to open Paint.  
%systemroot%\system32\mspaint.exe  
Open the QRcode file in Paint:  
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Save asBMP pictureFile type24 bitmap】!Important!  
9
.3 Upload QR code  
Use IE browser to connect to iCam1080 network management. Click [Watermark] in  
Maintenance]. Here are the steps:  
[
Step 1:  
ClickChoose file to choose your QRcode.  
Then click [Open]  
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Step 2:  
Click Upload to upload the QRcode.  
Step 3:  
It would show like this if it uploads successfully. You can see the QRcode on the live video.  
Step 4:  
You can choose which corner you want to put the QRcode. Please choose the position of the  
watermark in WatermarkPosition.  
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You should check enable the watermark so the QRcode would show on  
the monitor.  
We recommend using Microsoft Internet Explorer version 10 or higher  
web browser.  
If you are an iPhone user, you can use Quick Scan App. If you are an Android user, you can  
use QR Droid App.  
9
.4 Notices  
File name is BMP file  
24 bitmap  
Length and width can be individually divisible by 4 (Pixels)  
Leave the white blank to avoid color confusion  
The minimum length and width is 100px  
Place it on bottom-left  
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1
0. Motion detection of iFollow  
1
0.1 Enable and set the motion detection  
Step1: Open IE browser. Enter camera IP address, account and password.  
Step 2: Click Alarm” on the left side of “Setting”  
Step 3: Click enable Motion detection”  
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Step 4: Set these red boxes. The red boxes are the motion detection. Click the transparent  
boxes to make them become red boxes. Click the again to cancel  
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The detective position may be different according to the shooting  
environment. Contact us if you have any question: 04-22970977  
Step 5: Click [Customized Threshold] as 100 and click OK to save.  
We recommend using Microsoft Internet Explorer version 10 or higher  
web browser.  
1
0.2 Notices  
If the students come late or leave the seat, motion detection may misjudge teacher’s  
position.  
If the board erasers come up to stage when lecturing, motion detection may  
misjudge teacher’s position..  
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1
1. Q&A  
Q1: Can the camera be on for 24 hours?  
Ans.  
Yes.  
iCam is industrial grade. It can be operated for 24 hours without overheating.  
Power consumption is very low and will not cause your tariff burden.  
Q2: How to adjust if the image is blurred?  
Ans.  
Please refer to the manual on Chapter 5.5 to adjust the lens focus.  
Q3: Why the words on the board trembling?  
Ans.  
These might be the reasons:  
If iCam is installed on the wooden wall or calcium silicate, it may cause word  
trembling. iCam should be installed on the wall that is solid and not easy to shake.  
Wooden wall or calcium silicate would shake when opening and shutting the door or  
turning on the air conditioners.  
1
. It would happen the same thing when installed the iCam on the ceiling T grid. Use  
telescopic support and install it on the cement ceiling above the ceiling T grid.  
Q4: How to clean the lens?  
Ans.  
Please refer to the manual on Chapter 6 to see Cleaning and Maintaining the  
Lens.  
Q5: How long does it take to start up the camera?  
Ans.  
Normally it takes about 50 seconds, no longer than one minute.  
Q6: Ripple shows when using projector or digital board  
Ans.  
When you use early version of projector or digital board, you might find ripple  
on the video. That is because the light amount is not enough.  
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1
2
. Adjust IRIS of iCam lens. Turn the IRIS to O (Open) to make more light  
come in.  
. Change the exposure mode to indoor, Gain as 0db. If you find that the  
scene is over-exposure, turn the IRIS to C (Close) to adjust the light  
amount until the words are clear.  
Q7: The video file cut into one or several pieces  
Ans.  
If you find that the recording of SES/SES Lite cut into one or several pieces,  
it might be the reasons below:  
1
2
3
. If you use scanner module, it might be network disconnect when rotating.  
We advise you to use the longer network cable and use better crystal RJ45  
module plug.  
. If iCam/ SES/ SES Lite uses the same network segment as other  
computers, it may cause IP conflict. WE advise you change the network  
segment of other computers.  
. There are 8 wires in network cable. If one of them is broken, the internet  
would not be steady. Restart the network switch again would be better,  
and after long use, the network would become slower or disconnected.  
We advise you use lan tester to recheck the internet.  
Q8: How to restore to default?  
Ans.  
Method 1:  
Use a paper clip to poke in the hole marked “Default” on the back of the  
camera for 6 seconds.  
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Method 2:  
To reset the camera to default settings, go to the Settings > Maintenance >  
Profile web page. Click Restore Default Configurations and waiting for 60  
seconds.  
We recommend using Microsoft Internet Explorer version 10 or higher  
web browser.  
Q9: How to reduce background noise  
Ans.  
There are many reasons why causes noise. You can ask for professional  
audio manufacturers for help. There are several ways to solve the problems:  
First waychange electric suppliers  
1
. Change the power transformer to [voltage transformer]. (As the picture below)  
2
3
4
. Isolating transformer  
. Power strip  
. Stable voltage UPS  
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Second wayImprove the audio cable  
Use Hi-Fi audio cable which is better to reduce noise and distortion.  
Third wayUse high-impedance headphone  
Circumaural headphones is more high-impedance than canalphone. High-impedance  
headphones can avoid noise but the sound would become smaller.  
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Note  
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Note  
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©
2015 BlueEyes Technology Corporation. All rights reserved.  
PRINTED IN TAIWAN  
This paper is for informational purposes only. BlueEyes is registered trademarks or trademarks of BlueEyes Technology Corporation. Other  
product or company names mentioned herein may be the trademarks of their respective owners.